Cross Reference: /system/core/libusbhost/usbhost.c

Lines Matching defs:context
136 static void watch_existing_subdirs(struct usb_host_context *context,
142     wds[0] = inotify_add_watch(context->fd, USB_FS_DIR, IN_CREATE | IN_DELETE);
149         ret = inotify_add_watch(context->fd, path, IN_CREATE | IN_DELETE);
157     struct usb_host_context *context = calloc(1, sizeof(struct usb_host_context));
158     if (!context) {
162     context->fd = inotify_init();
163     if (context->fd < 0) {
165         free(context);
168     return context;
171 void usb_host_cleanup(struct usb_host_context *context)
173     close(context->fd);
174     free(context);
177 int usb_host_get_fd(struct usb_host_context *context)
179     return context->fd;
182 int usb_host_load(struct usb_host_context *context,
191     context->cb_added = added_cb;
192     context->cb_removed = removed_cb;
193     context->data = client_data;
199         context->wds[i] = -1;
202     context->wdd = inotify_add_watch(context->fd, DEV_DIR, IN_CREATE | IN_DELETE);
203     if (context->wdd < 0) {
210     watch_existing_subdirs(context, context->wds, MAX_USBFS_WD_COUNT);
220 int usb_host_read_event(struct usb_host_context *context)
229     ret = read(context->fd, event_buf, sizeof(event_buf));
235             if (wd == context->wdd) {
237                     watch_existing_subdirs(context, context->wds, MAX_USBFS_WD_COUNT);
238                     done = find_existing_devices(context->cb_added, context->data);
241                         if (context->wds[i] >= 0) {
242                             inotify_rm_watch(context->fd, context->wds[i]);
243                             context->wds[i] = -1;
247             } else if (wd == context->wds[0]) {
254                         ret = inotify_add_watch(context->fd, path,
257                             context->wds[i] = ret;
258                         done = find_existing_devices_bus(path, context->cb_added,
259                                 context->data);
261                         inotify_rm_watch(context->fd, context->wds[i]);
262                         context->wds[i] = -1;
267                     if (wd == context->wds[i]) {
271                             done = context->cb_added(path, context->data);
274                             done = context->cb_removed(path, context->data);
287 void usb_host_run(struct usb_host_context *context,
295     done = usb_host_load(context, added_cb, removed_cb, discovery_done_cb, client_data);
299         done = usb_host_read_event(context);